Is biofloc cheaper than RAS?

Yes — typically 40–60% cheaper CAPEX. Tradeoff is tighter biological control and slightly lower density.

Best species for biofloc?

Vannamei shrimp and tilapia are the proven commercial species. Other species require more R&D.

How much water do I save?

Biofloc systems exchange <10% of volume per cycle, vs. 30–100% in traditional ponds. Major operating-cost advantage in arid regions.

Biofloc farm cost

Biofloc systems sit between extensive ponds and full RAS in cost. Indicative CAPEX is $80,000–$250,000 per hectare for shrimp biofloc and $1,500–$3,500 per m³ of culture volume for tilapia biofloc — significantly cheaper than RAS, with strong water-saving and biosecurity benefits.

Indicative CAPEX

$80k–$250k / hectare

OPEX

Low water exchange, moderate energy

Get engineered estimate Try cost calculator

Cost drivers

System volume

CAPEX scales with culture volume; biofloc needs constant mixing and aeration.

Aeration intensity

Biofloc microbial communities need sustained dissolved oxygen — high-efficiency aerators are mandatory.

Liners & tanks

HDPE-lined ponds or insulated tanks dominate the build line.

Carbon source & monitoring

Molasses or sugar dosing plus continuous TAN/NO₂ monitoring drives OPEX more than capital.

Typical CAPEX by scale

Shrimp biofloc (1 ha lined)

$150k – $300k

60–100 t/ha/yr potential with disciplined management.

Tilapia biofloc (1,000 m³)

$1.5M – $3.5M

Insulated tanks, full aeration, monitoring.

Greenhouse biofloc cluster (5,000 m³)

$6M – $14M

Multi-tank operation with shared filtration and harvest infrastructure.

FAQ

Related cost guides

Shrimp farm cost RAS farm cost

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